package interceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;
import pojo.Customer;

public class LoginInterceptor implements HandlerInterceptor {

	@Override
	public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler)
			throws Exception {
			return true;
	}

	@Override
	public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler,
			ModelAndView modelAndView) throws Exception {
		String callBackStr = request.getServletPath() + "?" + request.getQueryString();
		HttpSession session = request.getSession();
		Customer customer =  (Customer) session.getAttribute("customer");
		if (customer == null) {
			response.sendRedirect("loginView?callback=" + callBackStr);
		}
	}

	@Override
	public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex)
			throws Exception {

		System.out.println("after...");
	}

}
